Every day, all over the world, billions of people start their day with brews rich in a substance called caffeine. Although caffeine-rich beverages like tea and coffee are consumed widely, there is widespread confusion about what caffeine is and how exactly it affects our body. Given below is a detailed discussion of some of the important questions that you must have had about this substance.
What is Caffeine? Caffeine is a substance that falls under the category of CNS stimulants.

Tea and coffee and two of the most popular beverages in the world and only come second to water in terms of consumption. Hoards of people all over the world start (sometimes also end) their days with a steaming cup of tea of coffee. Both of these are caffeinated beverages and help the mind stay alert. Both tea and coffee are consumed by people several times during the day. In fact, in some countries, these are consumed several times in one day.